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CVE-2016-0763

Published: 24 February 2016

The setGlobalContext method in org/apache/naming/factory/ResourceLinkFactory.java in Apache Tomcat 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M3 does not consider whether ResourceLinkFactory.setGlobalContext callers are authorized, which allows remote authenticated users to bypass intended SecurityManager restrictions and read or write to arbitrary application data, or cause a denial of service (application disruption), via a web application that sets a crafted global context.

From the Ubuntu security team

It was discovered that the Tomcat setGlobalContext method incorrectly checked if callers were authorized. A remote attacker could possibly use this issue to read or wite to arbitrary application data, or cause a denial of service.

Priority

Medium

CVSS 3 base score: 6.3

Status

Package Release Status
tomcat6
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise
Released (6.0.35-1ubuntu3.7)
trusty
Released (6.0.39-1ubuntu0.1)
upstream
Released (6.0.45)
wily Ignored
(reached end-of-life)
xenial
Released (6.0.45+dfsg-1)
yakkety Does not exist

zesty Does not exist

tomcat7
Launchpad, Ubuntu, Debian
artful Not vulnerable
(7.0.68-1)
bionic Not vulnerable
(7.0.68-1)
precise Does not exist
(precise was needed)
trusty
Released (7.0.52-1ubuntu0.6)
upstream
Released (7.0.68-1)
wily
Released (7.0.64-1ubuntu0.3)
xenial Not vulnerable
(7.0.68-1)
yakkety Not vulnerable
(7.0.68-1)
zesty Not vulnerable
(7.0.68-1)
tomcat8
Launchpad, Ubuntu, Debian
artful Not vulnerable
(8.0.32-1ubuntu1)
bionic Not vulnerable
(8.0.32-1ubuntu1)
precise Does not exist

trusty Does not exist

upstream
Released (8.0.32-1)
wily Ignored
(reached end-of-life)
xenial Not vulnerable
(8.0.32-1ubuntu1)
yakkety Not vulnerable
(8.0.32-1ubuntu1)
zesty Not vulnerable
(8.0.32-1ubuntu1)